Update README.md

README.md

@@ -24,7 +24,7 @@ These deviations are necessary through standard requirements.
 The function `std::uncaught_exceptions()` is not available in C++14 and is therefore replaced with `std::uncaught_exception()`. This has some limitations, but is the only solution until C++17 is used.
 
 
-## Defiations
+## Implementation decisions
 
 ###### Factory functions
 The Factory functions for both types are kept for the C++14 implementations as *deduction guides* aren't available.